Preparation of petroleum pitch

Details Preparation of petroleum pitch Preparation of petroleum pitch

C - Chemistry, Metallurgy

10

C

196/38

C10C 3/04 (2006.01) C10C 3/00 (2006.01)

Patent

CA 1044167

PREPARATION OF PETROLEUM PITCH Abstract of the Disclosure A process having a particular sequence of steps, each under specified conditions, for preparing a petroleum pitch binder suitable for electrodes used in smelting aluminum is disclosed. In the essential steps of the invention a decant oil petroleum fraction is heat treated under pressure, the treated material is flashed to a lower pressure, and finally the material is oxy-activated under elevated temperature conditions to form a petroleum pitch having the desired properties.

221757

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